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Digital technology is changing the ways businesses are run and the manner in people lead their lives today. Every day, there are newer ways for working, dealing and interacting with one another. As our digital footprint grows exponentially, we are forming our own online identities. Digital security is essential for protection of these identities. It includes the tools we can use to secure our identity, assets and technology in the online and mobile world. All this becomes imperative as criminals are always finding new ways to steal information from users.


Light, as we know, sustains the web of life on the Earth. Sunlight (absorbed by chlorophyll) is very essential for photosynthesis that takes place in plants for making the food we eat and releasing the oxygen that we breathe. Besides this, many organisms make use of this interaction in basic sensory mechanisms for guiding their behaviour either through a complex process like vision or relatively simpler photosens¬itivity of micro-organism. From engineering standpoint, it is this very interaction between light and matter that forms the basis of a wide range of technologies including lasers, LEDs and atomic clocks. 

New approaches in augmenting human-machine interaction (HMI) have found to be extremely useful in mitigating effects of neurological diseases and injuries. Before we delve into the intricacies of these technologies, let us learn how HMI works in simple terms. Technologies and computer systems are assuming important tasks in our everyday life and work either visibly or behind the scenes. It is well known now that the smooth communication between people and machines requires interfaces – the place where or action by which a user engages with the machine.